[1] Cleveland Clin, Dept Bioeth, Cleveland, OH 44106 USA
[2] Cleveland Clin Childrens, Pediat Inst, Cleveland, OH USA
[3] New Alternat Children, New York, NY USA
[4] Univ Missouri Kansas City, Sch Med, Div Neonatol, Kansas City, MO USA
[5] Univ Missouri Kansas City, Sch Med, Childrens Mercy Bioeth Ctr, Dept Pediat, Kansas City, MO USA
[6] Univ Penn, Perelman Sch Med, Dept Pediat, Philadelphia, PA 19104 USA
[7] Childrens Hosp Philadelphia, Philadelphia, PA 19104 USA